.sep{
    height: 60px;
}
/*普通横向菜单*/
.menu1{
    width: auto;/*div宽度*/
    height: 40px;
    background: transparent url("../image/menu_bg.jpg")repeat-x left top ;
    padding-left: 40px;
}

.menu1 ul{
    width: 1006px;/*菜单宽度*/
    height: 40px;
    margin: 0;
    padding: 0;
    list-style: none;
}
/*菜单浮动*/
.menu1 li{
    float: left;
    width: 120px;
    text-align: center;
}

.menu1 a {
    display: block;
    text-decoration: none;
    line-height: 40px;
    color: white;
}

.menu1 a:hover{
    color: #c82333;
}

/*下拉菜单（子菜单为纵向）*/
.menu2 {
    width: auto;
    height: 40px;
    background: cadetblue ;
    padding-left: 40px;
}
.menu2 ul{
    width: 1006px;
    height: 40px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.menu2 li{
    float: left;
    width: 120px;
    text-align: center;

}
/*ul 的高度定义为40px a的高度为:行高39px+底边（1px)*/
.menu2 li a {
    display: block;
    color: white;
    text-decoration: none;
    width: 119px;
    line-height: 39px;
    border-right: 1px solid aquamarine;
    border-bottom: 1px solid aquamarine;
    background: cadetblue ;
    margin: 0;
    text-align: center;
}
.menu2 li a:hover{
    background: burlywood ;
    border-bottom: 1px dashed #ffffff;
}
/*默认隐藏下级菜单*/
.menu2 .submenu{
    visibility: hidden;
    width: 120px;
}

.menu2 li:hover .submenu{
    visibility: visible;
    position: relative;
    z-index: 100;
}
.menu2 .submenu li{
    float: none;
    height: 35px;

}
.menu2 .submenu a{
    background: burlywood ;
    line-height: 35px;
}
.menu2 .submenu a:hover{
    background: darksalmon ;
}

/*下拉菜单（子菜单为横向）*/
.menu3 {
    width: auto;
    height: 40px;
    background: lightcoral ;
    padding-left: 40px;
    position: relative;
}
.menu3 ul{
    width: 1006px;
    height: 40px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.menu3 li{
    float: left;
    width: 120px;
}
.menu3  li a{
    display: block;
    color: bisque;
    width: 119px;
    margin: 0;
    text-align:center;
    text-decoration: none;
    border-right: 1px solid aliceblue;
    border-bottom: 1px solid aliceblue;
    background:lightcoral ;
    line-height: 39px;
}

.menu3 li a:hover{
    color: aliceblue;
    background: coral ;
    border-bottom: 1px dashed antiquewhite;
}

 .menu3 .submenu{
     height: 35px;
     display: none;
     position:absolute;
     left:0;
     top: 40px;
     margin-left: 60px;
 }
 .menu3 .submenu li{
     height: 35px;

 }
 .menu3 .submenu a{
     color: #000;
     background: darkseagreen ;
     line-height: 35px;
     border:none;

 }

 .menu3 li:hover .submenu{
     display: block;
     background: beige ;
 }
